Jackson Weather Forecast

    • 71
    • 94

    Mostly Sunny

    • 70
    • 93

    Chance Rain Showers

    • 69
    • 89

    Chance Thunderstorms

    • 74
    • 90

    Chance Thunderstorms

    • 65
    • 90

    Slight Chance Thunderstorms

    • 62
    • 85

    Chance Rain Showers

Today 4 Sep Dakota

Sunny. Highs in the lower 90s. Northeast Winds around 5 Mph. Heat index Values up to 105.

Tonight 4 Sep Dakota

Mostly clear. Humid with Lows in the lower 70s. Southeast Winds around 5 Mph. Heat index Values up to 103 early in the evening.

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Jackson Temperature Statistics

September Temperature

Sioux City, Sioux Gateway Airport (9.3 miles)

  • Lowest 1 September, 2026

    67.6 °F

  • Average September

    78.8 °F

  • Highest 1 September, 2026

    91.7 °F

Climate (2021–2026)

Sioux City, Sioux Gateway Airport (9.3 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    63.4 °F
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